. >>> tonight the debate over how to prevent gun violence like the newtown shooting is heeding up. head of nra did not back down from the comments made last week appearing on sunday morning talk shows, he stood by the nra's requests for armed guards in school. he says the problem is not guns but criminals that carry out violence. dianne feinstein plans to introduce legislation to reinstall the weapons ban in 2004. >> still ahead, a major work stoppage at some of the area's busiest hospitals. thousands of nurses plan on walking off the job tomorrow. conditions are much calmer than they were earlier today. leigh glaser is up next and when the rain will return in her accu-weather forecast. >> jim harbaugh turned 49 today. colin kaepernick inexperience showed up tonight and 49 jack! what happened? me and jason came back with drinks and all 20 nuggets were gone. we got nugged. there was a nugging. this guy just came running up... dip! dip! dip! shoveling 'em into his face! give me your nuggets- -we're like "no! save some for our boyfriends!" need more nuggets? jack's crispy, all-white m